Before planting it is a good idea to find your USDA Zone info to determine your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

In Wayne you can figure out when to plant columbine by looking at the USDA zone info.

Planting Calendar for Columbine

Frost tolerance for columbine:	Tolerant of some frost.
When to plant:	Up to 5 weeks before last frost.

You can plant columbine just a bit earlier in the year because they are moderately cold tolerant.

The earliest that you can plant columbine in Wayne is February. However, you really should wait until March if you don't want to take any chances.

The last month that you can plant columbine and expect a good harvest is probably September. Any later than that and your columbine may not have a chance to fully mature. Starting your columbine indoors is a great way to get them started a few weeks earlier.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Wayne. It might get as low as -20°F during the coldest months of winter.

Since the USDA zone info for Wayne is not always accurate the actual date of last frost can change quite a bit from year to year. Half of the time in Wayne it frosts late in the year after April 15 so just be sure to be ready to protect your columbine if you have a surprise late frost.

USDA Zone Info for Wayne

Here is the info for USDA Zone 5a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-20°F
Highest Expected Low	-15°F

This means that on a really cold year, the coldest it will get is -20°F. On most years you should be prepared to experience lows near -15°F.

Plants to Grow in Wayne

You may be interested in your other planting guides for Wayne.